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logger.go
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logger.go
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package logger
import (
"github.com/evalphobia/logrus_sentry"
"github.com/sirupsen/logrus"
"strings"
"time"
)
type Logger struct {
cfg *Config
l *logrus.Logger
}
type Config struct {
LogLevel string
SentryDSN string
LogstashAddr string
ServiceName string
InstanceName string
}
func New(cfg *Config) (*Logger, error) {
log := &Logger{
cfg: cfg,
}
return log, log.createLogger()
}
func (log *Logger) createLogger() error {
log.l = logrus.New()
level, err := logrus.ParseLevel(log.cfg.LogLevel)
if err != nil {
return err
}
log.l.SetLevel(level)
log.l.SetReportCaller(true)
log.l.SetFormatter(&logrus.TextFormatter{
FullTimestamp: true,
TimestampFormat: "02.01.2006 15:04:05",
})
if log.cfg.SentryDSN != "" {
sentryHook, err := logrus_sentry.NewAsyncWithTagsSentryHook(log.cfg.SentryDSN, map[string]string{"service": log.cfg.ServiceName}, []logrus.Level{
logrus.PanicLevel,
logrus.FatalLevel,
logrus.ErrorLevel,
})
if err != nil {
return err
}
sentryHook.StacktraceConfiguration.Enable = true
sentryHook.StacktraceConfiguration.IncludeErrorBreadcrumb = true
log.l.Hooks.Add(sentryHook)
}
if log.cfg.LogstashAddr != "" {
logstashHook, err := NewAsyncHook("tcp", log.cfg.LogstashAddr, log.cfg.ServiceName)
if err != nil {
return err
}
logstashHook.ReconnectBaseDelay = time.Second
logstashHook.ReconnectDelayMultiplier = 2
logstashHook.MaxReconnectRetries = 10
if log.cfg.InstanceName != "" {
logstashHook.WithField("instance", log.cfg.InstanceName)
}
logstashHook.SetLevels([]logrus.Level{
logrus.PanicLevel,
logrus.FatalLevel,
logrus.ErrorLevel,
logrus.InfoLevel,
})
log.l.Hooks.Add(logstashHook)
}
log.l.Infof("Logger started level:%s service:%s sentry:%s logstash:%s", log.cfg.LogLevel, log.cfg.ServiceName, log.cfg.SentryDSN, log.cfg.LogstashAddr)
return nil
}
func (log *Logger) Debug(args ...interface{}) {
log.l.Debug(args...)
}
func (log *Logger) Debugf(format string, args ...interface{}) {
log.l.Debugf(format, args...)
}
func (log *Logger) Info(args ...interface{}) {
log.l.Info(args...)
}
func (log *Logger) Infof(format string, args ...interface{}) {
log.l.Infof(format, args...)
}
func (log *Logger) Warn(args ...interface{}) {
log.l.Warn(args...)
}
func (log *Logger) Warnf(format string, args ...interface{}) {
log.l.Warnf(format, args...)
}
func (log *Logger) Error(args ...interface{}) {
log.l.Error(args...)
}
func (log *Logger) Errorf(format string, args ...interface{}) {
log.l.Errorf(format, args...)
}
func (log *Logger) Panic(args ...interface{}) {
log.l.Panic(args...)
}
func (log *Logger) Panicf(format string, args ...interface{}) {
log.l.Panicf(format, args...)
}
func (log *Logger) Fatal(args ...interface{}) {
log.l.Fatal(args...)
}
func (log *Logger) Fatalf(format string, args ...interface{}) {
log.l.Fatalf(format, args...)
}
func (log *Logger) ETCDValueChanged(key string, value []byte, cfg interface{}) {
if strings.HasSuffix(key, "/log_level") || strings.HasSuffix(key, "/sentry_dsn") {
log.Infof("logger config changed: %s %s", key, value)
_ = log.createLogger()
}
}